Frustrated Senators See No Exit Signs  —  Asked repeatedly yesterday what “conditions” he is looking for to begin substantial U.S. troop withdrawals from Iraq after this summer's scheduled drawdown, Army Gen. David H. Petraeus said he will know them when he sees them.  For frustrated lawmakers, it was not enough.

Report: Jimmy Carter to Meet With Hamas Leader in Syria  —  NEW YORK CITY — Former President Jimmy Carter is reportedly preparing an unprecedented meeting with the leader of Hamas, an organization that the U.S. government considers one of the leading terrorist threats in the world.

They Need More White People  —  The Tartan, Carnegie Mellon's student newspaper, reports on a campaign event featuring Michelle Obama: … The Obama campaign discriminates against people of color, and their own supporters no less, in what is presumably a misguided pander to white voters.

NYT Mag On Matthews: The Excerpts  —  Earlier: Forthcoming?  NYT Mag Piece on Matthews.  —  Earlier: Leibovich Dishes On Matthews  —  Earlier: NYT Mag On Matthews: NBC Forced Chris To Apologize.  —  We've got an advanced copy of Mark Leibovich's piece on Chris Matthews, entitled “Chris Matthews, Seriously.

The New Liberal Taboo  —  What a spectacle.  It is now respectable for Democrats to assert, even to welcome, military defeat (see here).  But if a Presidential campaign functionary so much as hints at support for free trade, he's banished to policy exile.  —  That's the meaning …

Obama's Minister Problem  —  I have tried to get over my unease surrounding Barack Obama's response to the sermons and writings of his pastor, Rev. Jeremiah Wright of Trinity United Church of Christ in Chicago.  But the unanswered questions remain.  —  I am a strong supporter …

FBI probe: Lieberman campaign to blame for crashing own Web site  —  A federal investigation has concluded that U.S. Sen. Joseph Lieberman's 2006 re-election campaign was to blame for the crash of its Web site the day before Connecticut's heated Aug. 8 Democratic primary.

Clinton leadership a study in missteps  —  Hillary Rodham Clinton wants voters to decide the nomination based on who can coolly and competently run the country.  She had better hope they don't study her recent campaign too closely for the answer.  —  Clinton has overseen two major staff shake-ups in two months.

Ethno-Sectarian Violence  —  WHAT IT SHOWS: This chart combines maps of Baghdad's ethnic neighborhoods with density plots of ethno-sectarian killings to show that violence has declined significantly from December 2006 to last month.  —  ANALYSIS: Hidden beneath many of the density plots …

Gallup Daily: Obama Maintains Lead in Democratic Race  —  PRINCETON, NJ — Barack Obama continues to hold a significant lead over Hillary Clinton, 51% to 43%, in Democratic voters' presidential nomination preferences.  —  Gallup Poll Daily tracking from April 5-7 shows Obama …

In Justice Shift, Corporate Deals Replace Trials  —  WASHINGTON — In 2005, federal authorities concluded that a Monsanto consultant had visited the home of an Indonesian official and, with the approval of a senior company executive, handed over an envelope stuffed with hundred-dollar bills.